Add -C flag that enables caching, but flushes the cache beforehand.
Merge pull request #5 from heroku/clear-cache-flag

Add -C flag that enables caching, but flushes the cache beforehand.
add magic curl support for curl with non-zero exit codes
Deprecated warning
Deprecated warning
Merge pull request #6 from ryanbrainard/master

Merge back from ryanbrainard
s/ryanbrainard/heroku/
tidy up the readme
cedar is default
more readme cleanup
clean house